JLL empowers you to shape a brighter way . Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. What this job involves: As an HVAC/R Field Supervisor in our Mobile Technical Services team, you will support the Operations Manager in directing maintenance operations across assigned buildings. This hands-on leadership role combines technical expertise with team mentoring, quality assurance, and operational support to ensure optimal facility performance and compliance while developing technical staff. Your day-to-day tasks will include: Providing expert technical guidance and troubleshooting support for HVAC/R systems Training and onboarding new technicians in maintenance procedures and company protocols Conducting weekly on-site quality assurance inspections across maintained facilities Managing refrigerant inventory and usage to ensure regulatory compliance Preparing technical evaluations and deficiency reports on existing mechanical systems Responding to emergency situations with appropriate technical solutions Supporting operations management with performance metrics and technical reporting Desired experience and technical skills: Requirements: Minimum 6 years of technical and supervisory experience in building engineering Strong technical background in HVAC/R systems, specifically rack refrigeration Valid driver's license for traveling between client sites Proficiency with Microsoft Office Suite (Word, Excel) and Corrigo facility management system Availability to work flexible hours including weekends and holidays as needed Excellent communication skills for training and mentoring team members Preferred: EPA certification for refrigerant handling Experience with preventive maintenance program implementation Background in commercial building operations Knowledge of energy efficiency best practices for HVAC systems Experience with capital project planning and implementation Location: Columbus, OH and surrounding area Shift: Standard day shift hours This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship. Location: On-site –Columbus, OH If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements. We’re interested in getting to know you and what you bring to the table! Personalized benefits that support personal well-being and growth: JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include: 401(k) plan with matching company contributions Comprehensive Medical, Dental & Vision Care Paid parental leave at 100% of salary Paid Time Off and Company Holidays Early access to earned wages through Daily Pay At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing. JLL Privacy Notice Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely. For more information about how JLL processes your personal data, please view our Candidate Privacy Statement . For additional details please see our career site pages for each country. For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here . Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process – you may email us at HRSCLeaves@jll.com . This email is only to reques